Changes for page OBJ

Last modified by Kashif Iqbal on 2019/03/05 16:52

From version < 3.1 >
edited by kashifiqbal
on 2018/12/13 12:47
To version < 4.1 >
edited by Kashif Iqbal
on 2019/03/05 16:51
< >
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1 += What is an OBJ File? =
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1 1  **OBJ** files are used by Wavefront's Advanced Visualizer application to define and store the geometric objects. Backward and forward transmission of geometric data is made possible through OBJ files. Both polygonal geometry like points, lines, texture vertices, faces and free-form geometry (curves and surfaces) are supported by OBJ format. This format does not support animation or information related to light and position of scenes. An OBJ file is usually an end product of the 3D modeling process generated by a CAD (Computer Aided Design). The default order to store vertices is counter-clockwise avoiding explicit declaration of face normals. Though OBJ files declare scale information in a comment line yet no units have been declared for OBJ coordinates.
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3 3  == History ==
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5 5  Wavefront Technologies created OBJ file format for its Advanced Visualizer application to store geometric objects and 3D data. Its version 2.11 is superseded by a newly documented version 3. The file format is open and has been implemented by other vendors for their 3D graphics application. Wavefront Technologies kept this file format open source and neutral.
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7 -== File format ==
9 +== OBJ File Format ==
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9 9  In 3D objects, encoding the surface geometry is a challenging job that OBJ file format accomplished very well. This format is quite versatile as it offers a number of choices to encode surface geometry. Following are three allowed formats having their own benefits and shortcomings:
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